Analysis of measurement results of 25-hydroxy vitamin D among 0 - 3 years old infants in Nantong area / 国际检验医学杂志

ABSTRACT

Objective To understand the levels of 25‐hydroxy vitamin D [25‐(OH)D] in 0 - 3 years old infants in Nantong area to provide the theoretical basis for the scientific and rational guidance for infants′ vitamin D supplement .Methods The level of fin‐gertip peripheral blood 25‐(OH)D was detected in 3 689 infants and young children undergoing the conventional health examination in the child health care clinic of our hospital from January to June 2014 .The 25‐(OH)D levels and deficiency rate were compared a‐mong different months old and different months .Results The mean level of serum 25‐(OH)D in 3 689 detected infants and young children was (67 .45 ± 35 .01)nmol/L ,the deficiency rate was 39 .9% ,the insufficient rate was 28 .9% and the sufficient rate was 31 .2% ,the deficiency rate and insufficient rate were added up to 68 .8% ;0 - 0 .05) .The deficiency rate and insufficient rate of 25‐(OH)D in 0 - <2 months old infants and 2 - < 6 months old infants had the statistical difference between the first quarter and the second quarter (χ2 = 74 .477 ,P= 0 .000 ;χ2 = 29 .211 ,P= 0 .000) .Conclusion The deficiency rate and insufficient rate of 25‐(OH)D in 0 - 3 years old infants and young children are higher in Nantong area ,especially in infants and young children over 6 months old .